Wheels MFG T47 Outboard Angular Contact Bottom Bracket for Shimano bikebox The 18-spoke elliptical cross section

The 18-spoke elliptical cross section in the front and 21-spoke rear cross section in the rear result in a far superior rolling resistance of the cross sections compared to competitor wheels

Most efficient Inflation of any Portable Pump

The tube will start to yield and bend at the seat tube clamp at about 250 foot-lbs of torque

Non-Drive Side Bearing: Enduro Angular Contact ABEC-5

Wheels MFG T47 Outboard Angular Contact Bottom Bracket for Shimano bikebox The 18-spoke elliptical cross sectionT47 threaded BB cups for T47 frames and 24. 00mm spindle diameter cranks. Cups have outboard bearings, and are typically used in BB shells with widths from 68mm to 100mm. Machined aluminum cups thread together directly into a T47 BB shell. Bearings are easily serviced or replaced. Includes sleeve to fit between cups for added protection from dirt and grime, and also keeps your internal wires and hoses from rubbing on the crank spindle. T47 BB cups are